20102202122122 has 16 divisors (see below), whose sum is σ = 30285414599040. Its totient is φ = 10007065191312.

The previous prime is 20102202122111. The next prime is 20102202122131. The reversal of 20102202122122 is 22122120220102.

It is a self number, because there is not a number n which added to its sum of digits gives 20102202122122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35933283 + ... + 36488425.

It is an arithmetic number, because the mean of its divisors is an integer number (1892838412440).

Almost surely, 2^{20102202122122} is an apocalyptic number.

20102202122122 is a deficient number, since it is larger than the sum of its proper divisors (10183212476918).

20102202122122 is a wasteful number, since it uses less digits than its factorization.

20102202122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634437.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20102202122122 its reverse (22122120220102), we get a palindrome (42224322342224).

The spelling of 20102202122122 in words is "twenty trillion, one hundred two billion, two hundred two million, one hundred twenty-two thousand, one hundred twenty-two".